Hike to Mount Washington and back:
6288 feet high (3700 feet up)
8 3/4 miles 7 hours (difficult)
via Jewell Trail and Gulfside Trail
Just hiking up:
4 1/2 miles 4 1/4 hours
Hike List: NH 4000-Footers
Guide: AMC White Mountain Guide
Website: Mount Washington Observatory
Website: Cog Railway
Website: New England Hiking
Website: AllTrails
Wikipedia: Mount Washington (New Hampshire)
Alternate Hike (in winter):
Park at AMC Pinkham Notch Lodge parking lot:
N 44 15.457
W 71 15.140
Hike to Mount Washington and back:
8 1/4 miles 4300 feet up 7 hours (difficult)
via Tuckerman Ravine and Lion Head trails
Website: AllTrails